Varth'Lukar, Nexus of Death

Cumulative Upkeep - {b}.
Whenever you pay the upkeep cost of a
permanent, create a 1/1 black and green
skeleton Druid creature token with "{t}: add
one mana of any color.".
{u}, {t}: Remove all age counters from target
permanent then Scry X where X is the number
of counters removed this way.